S/UNI-IMA-4 Telecom Standard Product Data Sheet
Released
17.3 JTAG Timing
Table 52 JTAG Port Interface
Symbol
Description
TCK Frequency
Min
Max
1
Units
MHz
TCK Duty Cycle
40
50
60
%
TMS Set-up time to TCK
ns
tS
TMS
TMS Hold time to TCK
TDI Set-up time to TCK
TDI Hold time to TCK
TCK Low to TDO Valid
TRSTB Pulse Width
50
50
50
2
ns
ns
ns
ns
ns
tH
TMS
tS
TDI
tH
TDI
50
tP
TDO
100
tV
TRSTB
Maximum output propagation delays are measured with a 100 pF load
Minimum output propagation delays are measured with a 0 pF
Proprietary and Confidential to PMC-Sierra, Inc., and for its customers’ internal use.
Document No.: PMC-2020889, Issue 2
314
PMC [ PMC-SIERRA, INC ]
